Add 72/60 and 9/45
1st number: 1 12/60, 2nd number: 9/45
72/60 + 9/45 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
72/60 = 72 × 3/60 × 3 = 216/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
9/45 = 9 × 4/45 × 4 = 36/180 - Add the two like fractions:
216/180 + 36/180 = 216 + 36/180 = 252/180 - 252/180 simplified gives 7/5
- So, 72/60 + 9/45 = 7/5
In mixed form: 12/5
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